Motivations
• 21% of time Wi-Fi alone is enough (continued)
MPTCP can use unnecessary use LTE bandwidth
Example: 1080p needs 4Mbps, current Wi-Fi 12.1Mbps,
LTE 14.6Mbps – MPTCP still uses LTE!
▪ Controlled Experiments
• Observation 1: LTE link is almost always used even
though we need only 0.2Mbps LTE for 1080p
• Observation 2: After finishing downloading a chunk,
networks will be idle. This means enough video
chunks in receiver buffer.
QoE will not be affected if chunks arrive a bit late, as long
as playback deadline is met